The U.S. Army Corps of Engineers (USACE) - Tulsa District (SWT) is conducting market research for an anticipated Design-Build (D-B) contract for roofing replacement with all design and construction work being performed by the Contractor. The Contractor shall provide all investigation, verification of site conditions and dimensions, design, research, travel, plant, materials, equipment, labor, instruments, tools, subcontractors, supervision, and management to complete all work required by the contract documents. See attachment for further details.